42. Match the following graphical variation with their description.

 A B A. 1. Variation in product concentration with time. B. 2. Reaction at equilibrium C. 3. Variation in reactant concentration with time.

A.$\to$(3) B.$\to$(1) C.$\to$(2)
A. Graph (A) represents variation of reactant concentration with time.
B. Graph (B) represents variation of product concentartion with time.
C. Graph (C) represents reaction with equilibrium.